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WARNING: CPU: 1 PID: 38 at io_uring/io_uring.c:3036 io_ring_exit_work+0x188/0x530 io_uring/io_uring.c:3036
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 1 UID: 0 PID: 38 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Workqueue: iou_exit io_ring_exit_work
Call trace: 
[<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:822407e0 r6:833a3c00 r5:00000000 r4:82252544
[<80201b08>] (show_stack) from [<8021f894>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021f894>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120)
[<8021f840>] (dump_stack_lvl) from [<8021f8d4>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:82a78d18
[<8021f8bc>] (dump_stack) from [<802025f8>] (vpanic+0xe0/0x2e8 kernel/panic.c:489)
[<80202518>] (vpanic) from [<80202834>] (trace_suspend_resume+0x0/0xd8 kernel/panic.c:626)
 r7:8020a7c4
[<80202800>] (panic) from [<80252948>] (check_panic_on_warn kernel/panic.c:376 [inline])
[<80202800>] (panic) from [<80252948>] (get_taint+0x0/0x1c kernel/panic.c:371)
 r3:8280c684 r2:00000001 r1:82238d44 r0:822407e0
[<802528d0>] (check_panic_on_warn) from [<80252aac>] (__warn+0x80/0x188 kernel/panic.c:897)
[<80252a2c>] (__warn) from [<80252d2c>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:924)
 r8:00000009 r7:822aa454 r6:df8f9e3c r5:833a3c00 r4:00000000
[<80252bb8>] (warn_slowpath_fmt) from [<8020a7c4>] (io_ring_exit_work+0x188/0x530 io_uring/io_uring.c:3036)
 r10:00000005 r9:00000000 r8:82804d40 r7:00024ea5 r6:85b68040 r5:85b68000
 r4:85b68304
[<8020a63c>] (io_ring_exit_work) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263)
 r10:832e6e70 r9:832e8805 r8:833a3c00 r7:8300e600 r6:832e8800 r5:85b68304
 r4:830e7500
[<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline])
[<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427)
 r10:61c88647 r9:833a3c00 r8:830e752c r7:82804d40 r6:8300e600 r5:8300e620
 r4:830e7500
[<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830e7500 r8:80278fec r7:df8e1e60 r6:830e7580 r5:833a3c00
 r4:00000001
[<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8f9fb0 to 0xdf8f9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0
 r4:838c3740
SMP: failed to stop secondary CPUs
Rebooting in 86400 seconds..